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CVE-2023-38711

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Date: August 25, 2023

An issue was discovered in Libreswan before 4.12. When an IKEv1 Quick Mode connection configured with ID_IPV4_ADDR or ID_IPV6_ADDR receives an IDcr payload with ID_FQDN, a NULL pointer dereference causes a crash and restart of the pluto daemon. NOTE: the earliest affected version is 4.6.

Language: C

Severity Score

Related Resources (8)

https://access.redhat.com/security/cve/CVE-2023-38711
https://nvd.nist.gov/vuln/detail/CVE-2023-38711
https://security-tracker.debian.org/tracker/CVE-2023-38711
https://github.com/libreswan/libreswan/commit/23b712f747f1eca68595fcb0852fc248d3460e41
https://bugzilla.redhat.com/show_bug.cgi?id=2215952
https://github.com/libreswan/libreswan/tags
https://libreswan.org/security/CVE-2023-38711/
https://www.mend.io/vulnerability-database/CVE-2023-38711

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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